/**
 *		Licensed to the Apache Software Foundation (ASF) under one
 *     or more contributor license agreements.  See the NOTICE file
 *     distributed with this work for additional information
 *     regarding copyright ownership.  The ASF licenses this file
 *     to you under the Apache License, Version 2.0 (the
 *     "License"); you may not use this file except in compliance
 *     with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing,
 *     software distributed under the License is distributed on an
 *     "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *     KIND, either express or implied.  See the License for the
 *     specific language governing permissions and limitations
 *     under the License.
 *     
 *     Image Resizer Project
 */

package image.resizer.ui;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.swing.JFrame;

/**
 * Listener for close program button action.
 * 
 * @author Dudarev Ilya
 */
public class CloseButtonActionListener implements ActionListener {

	private static final String CLASS_NAME = CloseButtonActionListener.class.getName();
	private static final Logger logger = Logger.getLogger(CloseButtonActionListener.class.getPackage().getName());
	private static final Level FINER_LEVEL = Level.FINER;
	
	private JFrame callback;
	public CloseButtonActionListener(JFrame callback) {
		if(logger.isLoggable(FINER_LEVEL))
		{
			logger.entering(CLASS_NAME, "constructor", callback);
		}
		this.callback = callback;
		if(logger.isLoggable(FINER_LEVEL))
		{
			logger.exiting(CLASS_NAME, "constructor");
		}
	}
	
	public void actionPerformed(ActionEvent e) {
		if(logger.isLoggable(FINER_LEVEL))
		{
			logger.entering(CLASS_NAME, "actionPerformed", e);
		}
		if(callback != null)
		{
			callback.dispose();
			callback = null;
		}
		if(logger.isLoggable(FINER_LEVEL))
		{
			logger.logp(Level.FINER, CLASS_NAME, "actionPerformed", "Exiting the system.");
			logger.exiting(CLASS_NAME, "actionPerformed");
		}
		System.exit(0); //TODO ?
	}
}
